# Relationship history for MSHA mine 3609320

Current hierarchy: **Jason  Miller → J C Drilling & Ditching → Auger Machine Ser #3158**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **controller_controls_mine:** Roger L  Miller → Auger Machine Ser #3158; 2004-01-07 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** R L Miller Augering → Auger Machine Ser #3158; 2005-04-01 to 2008-01-21; source msha-controller-operator-history
- **controller_controls_operator:** Roger L  Miller → R L Miller Augering; 2005-04-01 to 2008-01-21; source msha-controller-operator-history
- **controller_controls_mine:** Jason  Miller → Auger Machine Ser #3158; 2007-10-18 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** B & M Augering Inc → Auger Machine Ser #3158; 2008-01-22 to 2008-05-21; source msha-controller-operator-history
- **controller_controls_operator:** Roger L  Miller → B & M Augering Inc; 2008-01-22 to 2008-05-21; source msha-controller-operator-history
- **operator_operates_mine:** J C Drilling & Ditching → Auger Machine Ser #3158; 2008-05-22 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jason  Miller → J C Drilling & Ditching; 2008-05-22 to current/open; source msha-controller-operator-history